Pith Number

pith:NCEAY4CC

pith:2013:NCEAY4CCZCDAB6L3Q7YWFNAOLC

not attested not anchored not stored refs pending

A computational method for the systematic screening of reaction barriers in enzymes: Searching for Bacillus circulans xylanase mutants with greater activity towards a synthetic substrate

Casper Steinmann, Jan H. Jensen, Luca De Vico, Martin R. Hediger

arxiv:1305.6049 v1 · 2013-05-26 · physics.chem-ph · q-bio.BM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCEAY4CCZCDAB6L3Q7YWFNAOLC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:13:23.374772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68880c7042c88600f97b87f162b40e58adef501547eda2f1f8199590da9fe5c2

Aliases

arxiv: 1305.6049 · arxiv_version: 1305.6049v1 · doi: 10.48550/arxiv.1305.6049 · pith_short_12: NCEAY4CCZCDA · pith_short_16: NCEAY4CCZCDAB6L3 · pith_short_8: NCEAY4CC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NCEAY4CCZCDAB6L3Q7YWFNAOLC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 68880c7042c88600f97b87f162b40e58adef501547eda2f1f8199590da9fe5c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "750008941286cfdc113e09308e9df096aa43f1163f87533e19a6654847b6fd17",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-05-26T18:46:18Z",
    "title_canon_sha256": "7b5753af99965fb497d8719148e08ce1f532ee3f182620eac39206ef33e521c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6049",
    "kind": "arxiv",
    "version": 1
  }
}